#!/bin/bash
# Copyright (c) Contributors to the Apptainer project, established as
#   Apptainer a Series of LF Projects LLC.
#   For website terms of use, trademark policy, privacy policy and other
#   project policies see https://lfprojects.org/policies
#
# Install dependencies.  The compiled tools are expected to be in
# subdirectories under the current directory as produced by the
# compile-dependencies script. The install prefix is passed in as $1,
# default taken from LIBEXECDIR in builddir/Makefile.

if [ -n "$2" ] || [[ "$1" = -* ]]; then
    echo "Usage: $0 [LIBEXECDIR]" >&2
    echo "The default LIBEXECDIR is taken from builddir/Makefile" >&2
    exit 2
fi
if [ -n "$1" ]; then
    LIBEXECDIR="$1"
elif [ ! -f builddir/Makefile ]; then
    echo "builddir/Makefile not found" >&2
else
    LIBEXECDIR="$(sed -n 's/^LIBEXECDIR := //p' builddir/Makefile)"
fi

DIR="$LIBEXECDIR/apptainer/bin"
if [ ! -d "$DIR" ]; then
    echo "$DIR does not exist" >&2
    exit 1
fi
if [ ! -w "$DIR" ]; then
    echo "$DIR does is not writable" >&2
    exit 1
fi

set -ex
for CMD in squashfs-tools-*/squashfs-tools/{mksquashfs,unsquashfs} squashfuse-*/squashfuse_ll e2fsprogs-*/fuse2fs fuse-overlayfs-*/fuse-overlayfs gocryptfs-*/gocryptfs; do
    if [ ! -f "$CMD" ]; then
	echo "$CMD not found" >&2
	exit 1
    fi
    cp -f $CMD $DIR
done
